40243225121253 has 144 divisors (see below), whose sum is σ = 74758792582656. Its totient is φ = 20625137628480.

The previous prime is 40243225121213. The next prime is 40243225121369. The reversal of 40243225121253 is 35212152234204.

40243225121253 is a `hidden beast` number, since 4 + 0 + 2 + 432 + 2 + 5 + 1 + 212 + 5 + 3 = 666.

40243225121253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40243225121253 - 2¹⁰ = 40243225120229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243225121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 292645450 + ... + 292782932.

It is an arithmetic number, because the mean of its divisors is an integer number (519158281824).

Almost surely, 2^{40243225121253} is an apocalyptic number.

It is an amenable number.

40243225121253 is a deficient number, since it is larger than the sum of its proper divisors (34515567461403).

40243225121253 is a wasteful number, since it uses less digits than its factorization.

40243225121253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138324 (or 138314 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 40243225121253 its reverse (35212152234204), we get a palindrome (75455377355457).

The spelling of 40243225121253 in words is "forty trillion, two hundred forty-three billion, two hundred twenty-five million, one hundred twenty-one thousand, two hundred fifty-three".